Anyone visiting lakes or rivers in the region is being cautioned to look out for blue-green algae after the Blue Lake Rancheria confirmed levels of...
In just a few short years, the Northern California waters stretching from Sonoma to Southern Humboldt have undergone a dramatic transformation, with stretches stripped bare of their once varied marine life in a phenomenon known as "urchin barren."
South Florida beaches faced a sargassum assault this summer that some scientists believe is part of the largest spread of the nomadic marine weed on record, and one that could continue through September.
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